Home
Class 11
PHYSICS
If the earth were to suddenly contract t...

If the earth were to suddenly contract to `1/n` th of its present radius, without any change in its mass, then what will be the effect on the duration of the day?

Promotional Banner

Topper's Solved these Questions

  • SIMPLE HARMONIC MOTION

    PATHFINDER|Exercise QUESTION BANK |114 Videos

  • THERMODYNAMICS,BEHAVIOUR OF PERFECT GAS AND KINETIC THEORY OF GASES AND HEAT TRANSFER

    PATHFINDER|Exercise QUESTION BANK|163 Videos

Similar Questions

Explore conceptually related problems

If The Earth were to suddenly contract to ( 1)/( n) th of its present radius without any change in its mass. The duration of the new day will be nearly.

If the radius of earth is halved and the mass is same then what will be the change of its acceleration due to gravity.

Suppose the earth stops rotating about its axis. What will be the effect on the weight of bodies ?

If the distance of the earth from the sun suddenly decreases to half its present value, then how many days will make a year ?

If the diameter of the earth becomes twice its present value but its mass remains unchanged, then how would be the weight of an object on the surface of the earth affected ?

If the mass and the radius of the earth suddenly reduce to half their present values, (i) how many hours will be there in a day?

PATHFINDER-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-QUESTION BANK
  1. Is moment of inertia a scalar or vector quantity?

    Text Solution

    |

  2. Energy of 484 J is spent in increasing the speed of flywheel from 60 r...

    Text Solution

    |

  3. A fly wheel is revolving with constant angular velocity. A chip of its...

    Text Solution

    |

  4. A 10 kg boy standing on a 40 kg boat floating on water is 20 m from th...

    Text Solution

    |

  5. A particle performing uniform circular motion has angular momentum L. ...

    Text Solution

    |

  6. What will be the duration of the day if the earth suddenly shrinks to ...

    Text Solution

    |

  7. If an automobile engine develops a power of 7.5xx10^4 W when rotating ...

    Text Solution

    |

  8. If the earth were to suddenly contract to 1/n th of its present radius...

    Text Solution

    |

  9. Distinguish between centre of mass and centre of gravity.

    Text Solution

    |

  10. The angular speed of a motor wheel is increased from 1200 rpm to 3120 ...

    Text Solution

    |

  11. The angular speed of a motor wheel is increased from 1200 rpm to 3120 ...

    Text Solution

    |

  12. A hoop of radius 2 m weighs 100 kg. It rolls along a horizontal floor ...

    Text Solution

    |

  13. A cord of negligible mass is wound round the rim of a flywheel of mass...

    Text Solution

    |

  14. A cord of negligible mass is wound round the rim of a flywheel of mass...

    Text Solution

    |

  15. A cord of negligible mass is wound round the rim of a flywheel of mass...

    Text Solution

    |

  16. Define angular momentum Derive the relation between angular momentum...

    Text Solution

    |

  17. State and prove theorem of parallel axis on moment of inertia.

    Text Solution

    |

  18. Derive an expression for kinetic energy of Rolling Motion.

    Text Solution

    |

  19. There bodies, a ring, a solid cylinder and a solid sphere roll down th...

    Text Solution

    |

  20. In a system comprising of two particles of mass 2 kg and 5 kg, the pos...

    Text Solution

    |